Louisville vs Rapid City
Cost of Living Comparison · 2026
Louisville
Rapid City
The Verdict
Louisville is 7.1% less expensive than Rapid City overall. A household earning $75,000 in Louisville would need approximately $80,769 in Rapid City to maintain the same standard of living.
Category-by-Category Breakdown
Index values · National average = 100 · Lower is more affordable
Salary Equivalence
A $75,000 salary in Louisville has the same purchasing power as $80,769 in Rapid City.
Conversely, $75,000 in Rapid City equals $69,643 in Louisville.
Living in Louisville vs Rapid City
Housing Costs
Louisville's housing index of 77 is lower Rapid City's 91, translating to median home prices of $210,000 vs $325,000. The $115,000 difference in home prices means roughly $7,476 per year in additional mortgage costs at current rates. Renters face a similar gap: $1,100/mo in Louisville compared to $1,100/mo in Rapid City, a monthly difference of $0.
Grocery & Food Costs
Grocery expenses index at 96 in Louisville and 102 in Rapid City. A household spending the national average of $475/month on groceries would pay approximately $456/month in Louisville vs $485/month in Rapid City. Louisville offers a meaningful advantage on everyday food costs, saving roughly $348/year.
Utility Expenses
Utility costs — electricity, gas, water, internet — index at 91 in Louisville and 87 in Rapid City. Monthly utility bills average approximately $364 in Louisville vs $348 in Rapid City. Utility costs are relatively comparable between these two cities.
Healthcare
Healthcare costs index at 93 in Louisville and 107 in Rapid City. This encompasses insurance premiums, doctor visit copays, dental care, and prescription costs. The 14-point gap reflects real differences in provider costs, insurance market competition, and regional healthcare infrastructure.
Income & Purchasing Power
Median household income is $52,238 in Louisville and $70,900 in Rapid City. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $57,404 and $72,347 respectively. Rapid City residents come out ahead in real purchasing power.
Relocation Considerations
Under the standard 28% rule, a median-income household can allocate $1,219/month to housing in Louisville vs $1,654/month in Rapid City. In Louisville, median rent of $1,100/mo fits within this budget. In Rapid City, median rent of $1,100/mo remains manageable. The biggest category-level difference between these two cities is Housing, where the gap is 14 index points — focus your budget analysis there.
Frequently Asked Questions
Moving & Relocation Resources
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